Cyber Resilience

CVE-2026-47147

High

Published: 25 June 2026

Published
25 June 2026
Modified
25 June 2026
KEV Added
—
Patch
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CVSS Score v4 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0023 13.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-47147 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Silabs Emberznet. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 13.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In EmberZNet v9.0.2 and earlier, malformed OTA requests can drive the OTA server parser into out-of-bounds reads. A limited amount of data from RAM is read back to the requester. The size and location of this data is limited. These…

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requests must come from a device that has already joined the network. Only devices supporting the OTA Server cluster may be impacted.

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

silabs
emberznet
≤ 9.0.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References